Please use this identifier to cite or link to this item: http://buratest.brunel.ac.uk/handle/2438/9315
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dc.contributor.authorBi, C-
dc.contributor.authorTang, GH-
dc.contributor.authorSheng, Q-
dc.contributor.authorFu, B-
dc.contributor.author4th Micro and Nano Flows Conference (MNF2014)-
dc.date.accessioned2014-12-03T11:31:28Z-
dc.date.available2014-12-03T11:31:28Z-
dc.date.issued2014-
dc.identifier.citation4th Micro and Nano Flows Conference, University College London, UK, 7-10 September 2014, Editors CS König, TG Karayiannis and S. Balabanien_US
dc.identifier.isbn978-1-908549-16-7-
dc.identifier.urihttp://bura.brunel.ac.uk/handle/2438/9315-
dc.descriptionThis paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the Process Intensification Network, the Institution of Mechanical Engineers, the Heat Transfer Society, HEXAG - the Heat Exchange Action Group, and the Energy Institute, ASME Press, LCN London Centre for Nanotechnology, UCL University College London, UCL Engineering, the International NanoScience Community, www.nanopaprika.eu.en_US
dc.description.abstractNano-porous aerogel has an ultra low thermal conductivity and is usually used as the super insulator. To evaluate the insulation performance of the aerogel, we focus on studying the thermal conductivity of gas phase in the aerogel. We present a modified model to take into account the effect of nonuniform pore-size distribution on the gaseous thermal conductivity, and the present model predicts more agreement results with available data than the existing models. The gaseous thermal conductivity of the aerogel at high temperature gradient condition is also numerically studied. We also study the effect of the thermal transpiration flow on the gaseous thermal conductivity, and the results shows that the thermal transpiration flow effect leads to a reduction of the gaseous thermal conductivity.en_US
dc.language.isoenen_US
dc.publisherBrunel University Londonen_US
dc.relation.ispartofseriesID 65-
dc.subjectThermal conductivityen_US
dc.subjectNano-porous aerogelen_US
dc.subjectGas phaseen_US
dc.subjectThermal transpirationen_US
dc.titleStudy on thermal conductivity of gas phase in nano-porous aerogelen_US
dc.typeConference Paperen_US
Appears in Collections:Brunel Institute for Bioengineering (BIB)
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